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Aide d'ArcGIS Server. Impossible de réduire le journal des transactions. Symptôme Je n’étais pas en mesure de réduire le journal des transactions de ma base de données.

Impossible de réduire le journal des transactions

Facteurs pouvant retarder la troncation du journal. La troncation du journal libère de l'espace dans le fichier journal pour que le journal des transactions puisse le réutiliser.

Facteurs pouvant retarder la troncation du journal

How to BACKUP LOG WITH TRUNCATE_ONLY in SQL Server 2008 by Brent Ozar Unlimited® BACKUP LOG WITH TRUNCATE_ONLY is a dangerous command: it empties out the contents of your SQL Server’s transaction log without really backing it up.

How to BACKUP LOG WITH TRUNCATE_ONLY in SQL Server 2008 by Brent Ozar Unlimited®

Database administrators sometimes run this command right before shrinking their log file with a DBCC SHRINKFILE command, thereby freeing up drive space. Why ‘truncate_only’ is not a recognized backup option. When you truncate transaction logs, you lose the ability to recover to a specific point in time. You shouldn’t be running this command except during extreme emergencies. Unfortunately, administrators started running it on a regularly scheduled basis, and then they got surprised when they couldn’t restore the way they wanted. Microsoft recommends that instead of truncating logs, you switch to simple recovery mode instead.

Back Up a Transaction Log (SQL Server) Applies To: SQL Server 2016 The BACKUP statement is not allowed in an explicit or implicit transaction.

Back Up a Transaction Log (SQL Server)

If a database uses either the full or bulk-logged recovery model, you must back up the transaction log regularly enough to protect your data and to keep the transaction log from filling. This truncates the log and supports restoring the database to a specific point in time.By default, every successful backup operation adds an entry in the SQL Server error log and in the system event log. If back up the log very frequently, these success messages accumulate quickly, resulting in huge error logs that can make finding other messages difficult. How to shrink the SQL Server log. I noticed that my database log file has grown to 200Gb.

How to shrink the SQL Server log

I tried to shrink it but is still 200Gb. How can I shrink the log and reduce the file size? The problem is that even after you discover about DBCC SHRINKFILE and attempt to reduce the log size, the command seems not to work at all and leaves the log at the same size as before. What is happening? If you look back at What is an LSN: Log Sequence Number you will see that LSNs are basically pointers (offsets) inside the log file. Use DBCC LOGINFO to view the layout of the VFLs inside the log file The image above shows as typical log file layout.

Advancing the head of the log can cause LDF file growth when no free VLFs are available In the image above some more transaction activity resulted in head of the log advancing forward. As the head of the log continues to advance due to normal database activity, it now has room to grow by re-using the free VLF 1. Aide d'ArcGIS Server. Sécurité SQL Server : authentification, connexion, utilisateur et privilèges… qu’es-aquo ? BEST PRACTICES FOR USING SQL SERVER SERVICE ACCOUNTS. Créer une sauvegarde complète de base de données (SQL Server) Running SQL Server Agent with a least privilege service account. Problem For improved security Microsoft recommends the SQL Server Agent service account should not be a member of the local Administrators group.

Running SQL Server Agent with a least privilege service account

Being a member of the Administrator group, grants the account super-user privileges which therefore may expose you to more security vulnerabilities. By limiting access for the service accounts it will help you safeguard your system if individual services or processes are compromised. Solution. Tips for Using Performance Monitor I/O Counters. If your I/O subsystem is working efficiently, then each time SQL Server wants to write or read data, it can without waiting.

Tips for Using Performance Monitor I/O Counters

But if the load on the server is too great, then reads and writes will have to wait, each taking their turn. Microsoft SQL Server Security Best Practices. By David Maman, GreenSQL CTO This article contains administrative and operational tasks that should be taken in account from a security perspective when using Mircosoft SQL Server.

Microsoft SQL Server Security Best Practices

The article covers operative instructions and example of code snippets needed for DBA's and Server Administrators. SQL agent DCOM errors Event ID 10016. Les jointures - INNER JOIN, LEFT, RIGHT et FULL OUTER JOIN (SQL) Souvent, dans une base de données, les données sont reparties entre plusieurs tables.

Les jointures - INNER JOIN, LEFT, RIGHT et FULL OUTER JOIN (SQL)

On peut très bien imaginer une table contenant un clé étrangère vers une autre table. A ce moment là, comment faire pour récupérer les informations de cette table et de la table vers laquelle pointe la clé étrangère en une seule requête ? Si vous ne voyez pas ce que je veux dire, vous allez tout de suite comprendre. Imaginez ce schéma de base de données. Nous allons partir du fait que ces tables contiennent déjà les données suivantes : Nous allons maintenant voir des techniques permettant en une requête de récupérer des données qu'il serait impossible de récupérer facilement avec un SELECT.

SQL Server 2008 : Liste de prix et détails des éditions (réactualisé - Avril 2009) , SQL Server vu par Christian Robert. SHRINKFILE and TRUNCATE Log File in SQL Server 2008. Note: Please read the complete post before taking any actions.

SHRINKFILE and TRUNCATE Log File in SQL Server 2008

This blog post would discuss SHRINKFILE and TRUNCATE Log File. The script mentioned in the email received from reader contains the following questionable code: “Hi Pinal, If you could remember, I and my manager met you at TechEd in Bangalore. SQL agent DCOM errors Event ID 10016. Alignement de partitions pour SQL Server. Le SQL de A à Z - Fonctions SQL. Le présent tableau fait une synthèse des fonctions de la norme SQL (1992 à 2008), mais aussi des fonctions que l'on trouve dans les principaux dialectes des SGBDR que sont Paradox, Access, MySQL, PostGreSQL, SQL Server, Oracle et InterBase.Ce tableau ne prétend pas à l'exhaustivité mais permet la comparaison de l'implémentation des fonctions du SQL dans différents dialectes.

Article lu 99558 fois. Gestion des logs SQL Server. SQL server getting Event ID 10016 every hour. Hi guys, We are getting below error message on our SQL server with OS WS2012 every hour. "The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID and APPID to the user NT SERVICE\SQLAgent$IBSQL2012 SID (S-1-5-80-485265429-2350460967-4062759752-2586802043-2488535659) from address LocalHost (Using LRPC) running in the application container Unavailable SID (Unavailable). This security permission can be modified using the Component Services administrative tool. " I already went through some threats and read other post on internet, but under Component Services, Security tab of the particular service related to this message (based on its APPID) I can see that SYSTEM is already added and it has Local launch and Local Activation permissions granted.

Transaction log Truncate vs Shrink. Transaction log truncate – why it didn’t shrink my log ? (Truncate vs Shrink) Introduction. Installation of SQL Server 2012 on Server 2012 beta: NetFx3.5 is a Feature on Demand. Given: If you are installing SQL Server 2012 on a brand new Windows Server 2012 and your virtual machine is not connected to the internet, you might ran into the SQL Server requirement for .NET 3.5. Although it is available in the Add Roles and Features Wizard, this is not the solution.

The screenshots below will show you the result if you try to preform this action. Asked Install .NET 3.5 and rerun the installation procedure. Solution In Windows 8,.Net Framework 3.5 is now a Feature on Demand and cannot be installed directly, but by using one of the following options: Windows Update (WU) A Windows Image file (.wim) to which the payload has been added The \sources\sxs folder on the installation media The last option is what we are going to apply. Insert the Windows 8 installation image or DVD Open a command window (runas Administrator), Dism /online /enable-feature /featurename:NetFX3 /All /Source:D:\sources\SxS /LimitAccess Note: make sure that the source location is available!

SQL Server - FAQ SQL : Pourquoi mon fichier de log/ldf est il aussi gros ? Comment diminuer sa taille ? , SQL Server vu par Christian Robert. SQL Server : Comment forcer le Shrink du journal de transaction? , SQL Server vu par Christian Robert. J'avais déjà abordé ce sujet précédemment : Mais je me suis rendu compte au fil du temps que la réduction de la taille du journal de transaction en fonctionnait pas du premier coup. Error while enabling Windows feature NetFx3. Applies to: Microsoft Windows Server 8 Beta, Microsoft SQL Server 2012 RC0, Microsoft Windows Server 2008 R2 Hyper-V. Problem Description . How to shrink the SQL Server log.

Microsoft – SQL Server – SSIS Error (The application-specific permission settings do not grant Local Launch permission for the COM Server application with CLSID {46063B1E-BE4A-4014-8755-5B377CD462FC} Error Message: The application-specific permission settings do not grant Local Launch permission for the COM Server application with CLSID {46063B1E-BE4A-4014-8755-5B377CD462FC} to the user LAB\SQLAgt SID (S-1-5-XXXXXXXXXXXX-XXXXXXXXXX-XXXXXXXXXX-XXXX).

Diagnostic: The initial step is to find the problematic component: Launch RegeditAccess the branch labelled HKEY_CLASSES_ROOTRight-click and perform a find on the CLS_ID – 46063B1E-BE4A-4014-8755-5B377CD462FC (in this case)Once found, glance to the right panel and there you have it – the problematic component (Microsoft.SqlServer.Dts.Server.DtsServer) This security permission can be modified using the Component Services administrative tool. The application-specific permission settings do not grant Local Launch permission for the COM Server application with CLSID. Transaction log - Shrinking a SQL Server Log File Multiple Times. Recently ran into a situation where after a log backup and shrinkfile, the LDF file remained the same size. DBCC LOGINFO clearly showed only one active VLF and SSMS said that 99% of the space in the LDF was free.

The first attempt did not shrink nor did the second attempt or the third. After the fourth attempt, success, the log was reduced to the requested size. Meanwhile, DBCC LOGINFO was saying that after every SHRINKFILE, another VLF became active. I decided to run a test of a new database. So far so good, VLFs were added and they have a status of 2. BACKUP LOG logs_test TO DISK = 'D:\Program Files\Microsoft SQL Server\MSSQL10_50.MSSQLSERVER\MSSQL\Backup\logs_test_250503.trn'WITH INIT GO Then I ran DBCC LOGINFO , there was one active VLF, exactly what I was expecting So now I run my shrinkfile command thinking that I will be left with a LDF of 1MB No luck, the LDF is still at 100MB and now there are two active VLFs So I run shrinkfile one last time and this is what I get Thank you.

SQL - Mise à jour d'informations. Unable To Install dot Net 3.51 Feature On Windows 8. Rating: 10.0/ 10 (1 vote cast) If you are unable to install the dot NET 3.51 feature on Windows 8 because it won’t download it from the internet, you can install dot NET 3.51 from the installation media with this command: Select an Account for the SQL Server Agent Service. The service startup account defines the Microsoft Windows account in which SQL Server Agent runs and its network permissions.

SQL Server Agent runs as a specified user account. You select an account for the SQL Server Agent service by using SQL Server Configuration Manager, where you can choose from the following options: Built-in account. You can choose from a list of the following built-in Windows service accounts: Local System account. The name of this account is NT AUTHORITY\System.